Tsubo - Tesla (Chestnut/Dark Chocolate/Latte) - Lifestyle Departments: Tsubo means pressure point in Japanese and is designed for the fashion conscious in mind. Contemporary designed lace-up striped shoe with combination nylon, suede and mesh upper. Comfortable mesh collar. Hollowed out rubber sole to give cushioning, lightweight and flexibility. Rubber bubbles for shock absorption and skid resistance. These cushion oval bubbles are designed on the sole for various pressure points of the foot Tsubo's signature mark.